Home / 283,715.61-425,675.04-121,541.62

Finding the Fourth Proportional to 283,715.61, 425,675.04 and 121,541.62

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Solution

The fourth proportional to 283,715.61, 425,675.04 and 121,541.62 is: 182,355.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    283,715.61 : 425,675.04 = 121,541.62 : x
  2. Step 2: Convert to fraction form
    283,715.61/425,675.04 = 121,541.62/x
  3. Step 3: Cross multiply
    283,715.61x = 425,675.04 × 121,541.62
  4. Step 4: Simplify right side
    283,715.61x = 51,737,233,955.16
  5. Step 5: Solve for x
    x = 51,737,233,955.16/283,715.61
  6. Step 6: Final answer
    x = 182,355.97

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.